* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: rgb(241, 241, 241);
}

a {
    cursor: pointer;
    text-decoration: none;
}

.nav {
    width: 1200px;
    margin: 0px auto;
    /* border: 1px #000 solid; */
}

.tip {
    text-align: left;
    margin: 30px auto;
    padding: 0 15px;
    border-left: 5px solid rgb(0, 122, 255);
    font-size: 25px;
    display: block;
    font-weight: 600;
}


/* 注册登录 */

.zcdl {
    background-color: #393D49;
    height: 50px;
}

.zcdl::after {
    content: " ";
    display: block;
    height: 0;
    clear: both;
}

.zcdl ul {
    float: right;
    margin: 11px 0;
}

.zcdl li {
    list-style: none;
    display: inline-block;
    color: #fff;
    padding: 5px 10px;
}

.logged_out li {
    cursor: pointer;
}

.logged_in li {
    vertical-align: top;
}

.logged_in a {
    color: #fff;
}

.number {
    background: rgb(0, 122, 255);
    border-radius: 3px;
    padding: 3px;
    margin: 0 7px;
}

.head_img {
    display: block;
    height: 30px;
    width: 30px;
    border-radius: 50%;
    overflow: hidden;
}

.head_img img {
    width: 100%;
}

.menu {
    position: absolute;
    top: 40px;
    width: 80px;
    margin-left: -40px;
    left: 50%;
    background: #fff;
    border-radius: 5px;
    display: none;
    z-index: 999;
}

.menu a {
    color: #000;
    display: block;
    text-align: center;
    padding: 5px 0;
    border-bottom: 2px solid #f1f1f1;
}

.menu a:nth-child(3) {
    border-bottom: 0px solid #f1f1f1;
}


/* 顶部导航 */

.dbdh {
    overflow: hidden;
    height: 80px;
    margin-top: 40px;
}

.dbdh .left {
    float: left;
    height: 50px;
    margin-top: 15px;
}

.logo_name {
    line-height: 30px;
    font-weight: 600;
    font-size: 30px;
    letter-spacing: 4px;
    font-family: "隶书";
    color: #000;
}

.logo_en {
    color: #777;
    line-height: 30px;
    letter-spacing: 1px;
}

.dbdh .right {
    float: right;
    height: 80px;
}

.dbdh li {
    list-style: none;
    display: inline-block;
    padding: 30px 15px;
    color: #000;
}

.dbdh a {
    color: #000;
    font-size: 16px;
}

.active {
    border-bottom: 5px solid rgb(0, 122, 255);
}

.dbdh a:hover {
    border-bottom: 5px solid rgb(0, 122, 255);
}

/*教师展示 */

.carousel {
    position: relative;
    height: 374px;
}

.carousel_contain {
    clear: both;
    position: relative;
    overflow: hidden;
    margin: 0;
    height: 333px;
    width: 1200px;
    margin: 0 auto;
}

.carousel_box {
    position: absolute;
    /*left: -1168px;*/
    width: 17520px;
    transition-property: none;
    transition-duration: 500ms;
    transition-timing-function: ease-in-out;
}

.carousel_box a {
    float: left;
    margin: 2px 8px;
    height: 327px;
    width: 284px;
    display: inline;
    text-align: center;
    background: #f7f7f7;
    box-shadow: 0 0 2px 2px #e0dfdf;
    background-image: url(../img/home_poeple_bg.png);
    text-decoration: none;
}

.carousel_box a img {
    height: 185px;
    display: block;
    margin: 14px auto 5px;
    padding: 3px;
    box-sizing: border-box;
    transition: all 0.3s;
    box-shadow: 0 0 3px 3px #ddd;
}

.switchable_triggers {
    display: block;
    height: 20px;
    text-align: center;
}

.switchable_triggers li {
    display: inline-block;
    width: 17px;
    height: 6px;
    margin: 10px 3px 0 0;
    font-size: 0px;
    background: url(../img/navigator.png) -80px -10px no-repeat;
    outline: none;
    overflow: hidden;
    float: left;
}

.switchable_triggers li:nth-child(1) {
    background: url(../img/navigator.png) -80px 0px no-repeat;
}

.name_ {
    color: #000;
}

.grade_ {
    font-size: 14px;
    color: #333;
    font-weight: normal;
}

.content_ {
    color: #000;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
    margin: 5px 15px;
    text-indent: 2em;
    line-height: 20px;
}


/* 高校展示 */

.gxzs {
    /*margin: 20px auto;*/
    text-align: center;
}

.gxzs .item {
    width: 385px;
    border: 1px solid #dee2e6;
    position: relative;
    padding: 10px;
    display: inline-block;
    margin: 5px;
    background-color: #fff;
}

.gxzs .item:hover {
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, .16), 0 2px 10px 0 rgba(0, 0, 0, .12);
}

.item .img {
    width: 140px;
    height: 140px;
    overflow: hidden;
    float: left;
    /* margin-top: 9px; */
    padding: 10px 10px 10px 5px;
}

.item h1 {
    position: absolute;
    top: 20px;
    left: 20px;
}

.item .message {
    width: 150px;
    height: 180px;
    float: left;
    text-align: center;
    margin-left: 32px;
}

.item_name {
    font-weight: 800;
}

.message div {
    display: inline-block;
    width: 100%;
    line-height: 30px;
    text-align: left;
}


/* 资源 */

.tab {
    background-color: #fff;
    padding: 15px;
    border: 1px solid #ddd;
    overflow: hidden;
}

.tab_head {
    list-style: none;
    position: relative;
    border-bottom: 2px solid rgb(0, 122, 255);
    height: 28px;
    padding-left: 25px !important;
}

.tab_head li {
    float: left;
    margin: 0;
    padding: 0.2em 1em;
    cursor: pointer;
    font-size: 14px;
    border-radius: 3px 3px 0 0;
    line-height: 1.42857143;
}

.tab_head_current {
    background: rgb(0, 122, 255);
    color: #fff;
}

.tab_head_more {
    position: absolute;
    right: 0px;
    color: #555555;
}

.tab_head_more a,
.tab_l a,
.tab_b a {
    color: black;
    text-decoration: none;
}

.tab_head_more a:hover,
.tab_l a:hover,
.tab_b a:hover {
    color: rgb(0, 122, 255);
}

.tab_contain {
    display: none;
}

.tab_contain ul {
    padding: 0px 20px;
}

.tab_l {
    position: relative;
    font-size: 14px;
    border-bottom: 1px dotted #ddd;
    line-height: 35px;
}

.tab_t_span {
    position: absolute;
    right: -20px;
    font-size: 13px;
    opacity: 0.6;
}

.tab_contain_current {
    display: block;
    animation: tab 0.9s;
}

@keyframes tab {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}


/* 友情链接 */

.yqlj {
    text-align: center;
}

.yqlj a {
    color: #000;
    padding: 30px;
    display: inline-block;
}

.yqlj a:hover {
    color: rgb(0, 122, 255);
}

.friendBox{
    border: 1px solid #ddd;
    margin-bottom: 30px;
    background-color: white;
}
/* 版权声明 */

.bqsm {
    background-color: #393D49;
    color: #fff;
    padding: 20px;
}

.sInfo {
    width: 100%;
    line-height: 25px;
    text-align: center;
    font-size: 13px;
}

.sInfo a {
    color: #fff;
    text-decoration: none;
    border-right: 1px solid #fff;
    padding: 0 10px;
}

.sInfo span {
    margin: 0 3px;
}

/*
分页*/
.paging{
    padding: 50px 0 50px 0;
    text-align: center;
}

.pagination>li{
    display: inline;
    cursor: pointer;
}
.pagination>li>.active{
    background-color: rgb(0, 122, 255);
    color: white;
}

.pagination>li>a:hover{
    background-color: rgb(0, 122, 255);
    color: white;
}
.pagination>li>a{
    font-size: 13px;
    padding: 6px 12px;
    color: #000;
    background-color: #fff;
    border: 1px solid #ddd;
}
/*平台介绍页面*/
.introduct{
    width: 1200px;
    margin: 0 auto;
    font-size: 30px;
}
.introDetails{
    background-color: white;
    padding: 15px;
    font-size: 15px;
}
